GMC Acadia alternator — 3.6L, 155 amp (opt KW8) price snapshot
- Low
- $35
- Average
- $121
- High
- $310
Trim-specific price guide
GMC Acadia Alternator — 3.6L, 155 amp (opt KW8) prices
Pricing for the 3.6L, 155 amp (opt KW8) variant of the GMC Acadia alternator, aggregated from 90 salvage yard listings across 2 model years.
Price summary
A used GMC Acadia alternator (3.6L, 155 amp (opt KW8)) costs $35 to $310, with a median asking price of $135. Based on 90 priced salvage yard listings across the US, updated Sep 12, 2026. Prices exclude shipping, core charges, and installation.
Grade A (excellent)$135
Grade B (good)$216
USD
Condition comparison
Price by part grade
Grade AClean / low wear$50–$31060 listings
Grade BStandard used$55–$31022 listings
Grade CVisible wearUpdating
Grade XUngraded$35–$808 listings
| Grade | Price range | Relative range | Listings |
|---|---|---|---|
| Grade AClean / low wear | $50–$310 | 60 | |
| Grade BStandard used | $55–$310 | 22 | |
| Grade CVisible wear | Updating | — | |
| Grade XUngraded | $35–$80 | 8 |
Median by grade
Grade price comparison
Grade A$135
Grade B$216
Ungraded$79
Median asking price by seller-reported condition grade · $35–$310 overall range
Trim-specific context
How is the 3.6L, 155 amp (opt KW8) priced differently?
This pricing covers the 3.6L, 155 amp (opt KW8) variant of the GMC Acadia alternator, based on 90 priced listings across 2 model years (2019, 2020). Its $135 median is 45% above the GMC Acadia alternator overall median of $93.
Pricing is not a fitment guarantee. Match the VIN, part number, engine or drivetrain, and seller-listed variant before ordering.
Price by model year
What does a 3.6L, 155 amp (opt KW8) cost by year?
Other trims
Other GMC Acadia alternator variants
Common questions
GMC Acadia alternator (3.6L, 155 amp (opt KW8)) FAQ
How much is a used GMC Acadia alternator (3.6L, 155 amp (opt KW8))?
Based on 90 priced salvage-yard listings across 2 model years, a used GMC Acadia alternator in the 3.6L, 155 amp (opt KW8) variant lists between $35 and $310, with a median asking price of $135.
Which GMC Acadia years use the 3.6L, 155 amp (opt KW8) alternator?
The 3.6L, 155 amp (opt KW8) variant appears in model years 2019, 2020. Prices and availability differ by year.
Is there a price difference between 3.6L, 155 amp (opt KW8) condition grades?
Yes. Grade A has a median of $135, Grade B has a median of $216. Grade A parts are in excellent condition, B is good, and C is fair.